arch/amd64/framebuffer.c

49 efifb_color_depth(struct efi_fb *efifb)
54 	mask = efifb->fb_mask_red | efifb->fb_mask_green |
55 	    efifb->fb_mask_blue | efifb->fb_mask_reserved;
64 efifb_mask_from_pixfmt(struct efi_fb *efifb, EFI_GRAPHICS_PIXEL_FORMAT pixfmt,
72 		efifb->fb_mask_red = 0x000000ff;
73 		efifb->fb_mask_green = 0x0000ff00;
74 		efifb->fb_mask_blue = 0x00ff0000;
75 		efifb->fb_mask_reserved = 0xff000000;
78 		efifb->fb_mask_red = 0x00ff0000;
79 		efifb->fb_mask_green = 0x0000ff00;
80 		efifb->fb_mask_blue = 0x000000ff;
81 		efifb->fb_mask_reserved = 0xff000000;
84 		efifb->fb_mask_red = pixinfo->RedMask;
85 		efifb->fb_mask_green = pixinfo->GreenMask;
86 		efifb->fb_mask_blue = pixinfo->BlueMask;
87 		efifb->fb_mask_reserved = pixinfo->ReservedMask;
97 efifb_from_gop(struct efi_fb *efifb, EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *mode,
102 	efifb->fb_addr = mode->FrameBufferBase;
103 	efifb->fb_size = mode->FrameBufferSize;
104 	efifb->fb_height = info->VerticalResolution;
105 	efifb->fb_width = info->HorizontalResolution;
106 	efifb->fb_stride = info->PixelsPerScanLine;
107 	result = efifb_mask_from_pixfmt(efifb, info->PixelFormat,
269 efifb_from_uga(struct efi_fb *efifb, EFI_UGA_DRAW_PROTOCOL *uga)
282 	efifb->fb_height = vert;
283 	efifb->fb_width = horiz;
285 	if (efifb->fb_height == 0 || efifb->fb_width == 0)
289 	efifb_mask_from_pixfmt(efifb, PixelBlueGreenRedReserved8BitPerColor,
296 	status = efifb_uga_locate_framebuffer(pciio, &efifb->fb_addr,
297 	    &efifb->fb_size);
299 		efifb->fb_addr = 0;
300 		efifb->fb_size = 0;
337 	if (offset >= 0 && efifb->fb_width == horiz &&
338 	    efifb->fb_height == vert && efifb->fb_addr == fbaddr) {
339 		efifb->fb_addr += offset;
340 		efifb->fb_size -= offset;
341 		efifb->fb_stride = stride;
353 	efifb->fb_stride = efifb->fb_width;
355 		np = efifb->fb_stride & (efifb->fb_stride - 1);
357 			efifb->fb_stride |= (np - 1);
358 			efifb->fb_stride++;
362 	ev = getenv("hw.efifb.address");
364 		if (efifb->fb_addr == 0) {
365 			printf("Please set hw.efifb.address and "
366 			    "hw.efifb.stride.\n");
387 		offset = efifb_uga_find_pixel(uga, 0, pciio, efifb->fb_addr,
388 		    efifb->fb_size >> 8);
392 			efifb->fb_addr += offset;
393 			efifb->fb_size -= offset;
397 		efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4;
398 		efifb->fb_addr = strtoul(ev, &p, 0);
403 	ev = getenv("hw.efifb.stride");
408 			    efifb->fb_addr, horiz * 8);
410 				efifb->fb_stride = offset >> 2;
415 		efifb->fb_stride = strtoul(ev, &p, 0);
424 	efifb->fb_size = efifb->fb_height * efifb->fb_stride * 4;
429 efi_find_framebuffer(struct efi_fb *efifb)
437 		return (efifb_from_gop(efifb, gop->Mode, gop->Mode->Info));
441 		return (efifb_from_uga(efifb, uga));
447 print_efifb(int mode, struct efi_fb *efifb, int verbose)
453 	depth = efifb_color_depth(efifb);
454 	printf("%ux%ux%u, stride=%u", efifb->fb_width, efifb->fb_height,
455 	    depth, efifb->fb_stride);
458 		    (uintmax_t)efifb->fb_addr, (uintmax_t)efifb->fb_size);
460 		    efifb->fb_mask_red, efifb->fb_mask_green,
461 		    efifb->fb_mask_blue);
470 	struct efi_fb efifb;
505 		efifb_from_gop(&efifb, gop->Mode, gop->Mode->Info);
506 		print_efifb(gop->Mode->Mode, &efifb, 1);
519 			efifb_from_gop(&efifb, gop->Mode, info);
520 			print_efifb(mode, &efifb, 0);
539 	struct efi_fb efifb;
553 	if (efifb_from_uga(&efifb, uga) != CMD_OK) {
559 	print_efifb(-1, &efifb, 1);